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American-Type Radio Tube, USA, 20th Century

Inventory Number: 92559

92559-2t 92559-1t

Date: 20th Century

Maker Details: Unknown

Inscription: None

Size: 110 mm in overall length (including base pins)

Materials: Glass, brass, bakelite?, assorted metals.

Other Given Number(s): Christie's 213.


American Radio Tube (or Valve) with glass balloon, brass-plated bakelite? base and three brass base pins. Base slightly damaged and corroded. With anode mounted vertically in interior of bulb. Possibly c. 1930s. Previously catalogued with assorted other valves.

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